Move the singleton handling of the about dialog to the action handler.
Review Request #1359 — Created March 20, 2022 and submitted
Move the singleton handling of the about dialog to the action handler.
Ran and made sure a second dialog wasn't created when opening the dialog with one already opened.
| Summary | ID |
|---|---|
| a362f5bdb293b12408bc80309b7b737943719f59 |
